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I have the Spugen SS duals with Ti tips, really nice looking but a tad too loud without silencers. Got it dyno'd few weeks back and also saw some back pressure loss at low rpms compared to stock exhaust but peak hp didn't increase. So today I decided to go to a muffler shop and had them cut my Spugen exhaust in half and replace it from the cat back with the OEM resonator. Cost: $75
Pic#1 (Cut stock exhaust)
Pic#2 (OEM resonator welded to Spugen exhaust)
Pic#3 (Close-up of weld just before Spugen Y)
Pic#4 (Spugen Y)
Results: Got the punch back at lower rpms while still having the power up high. Boominess gone and droning on the freeway between 3500-4000 rpm gone. Tone stayed the same which is nice and deep. Good mod if you don't dig your aftermarket exhaust being too loud or boomy. Got info from Duc where to cut and weld, thanks!
Originally posted by Voodoo_S2K Any dyno runs since you made the change?
yeah i second that..... it seems as though that this car is tuned so well from honda that any little change could have negative effects on performance.
Yes please dyno, when I talked to DUC, my impression was that the HP gains from the spugen exhaust was from the less restrictive pipings (stright pipe design)....this may have reduced you high end HP but increased your low to mid range gains....
Beroz
Originally posted by beroznikmal Yes please dyno, when I talked to DUC, my impression was that the HP gains from the spugen exhaust was from the less restrictive pipings (stright pipe design)....this may have reduced you high end HP but increased your low to mid range gains....
Beroz
EDIT: I'll get a dyno this week and post new chart.
06-14-2003, 10:41 PM
